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/*
* Copyright (C) Dirk Jagdmann <doj@cubic.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>
#include <linux/joystick.h>
#include "pointer.h"
#include "pointer_internal.h"
static FILE *f=0;
static void cleanup()
{
if(f)
fclose(f);
}
static int jsgetfd()
{
if(f==0)
return -1;
return fileno(f);
}
static int jsinit(char *device)
{
/* open device */
f=fopen(device, "rb");
if(f==0)
{
printf("could not open %s: %s\n", device, strerror(errno));
return -1;
}
atexit(cleanup);
return 0;
}
static int jspoll()
{
int X=pointerrawX(), Y=pointerrawY(), B=pointerB();
struct js_event e;
fread(&e, sizeof(struct js_event), 1, f);
e.type &= ~JS_EVENT_INIT;
switch(e.type)
{
case JS_EVENT_BUTTON:
{
int b;
switch(e.number)
{
default:
case 0: b=BUT2; break;
case 1: b=BUT3; break;
case 2: b=BUT1; break;
case 3: b=BUT4; break;
case 4: b=BUT5; break;
}
if(e.value)
B|=b;
else
B&=~b;
}
break;
case JS_EVENT_AXIS:
if(e.number==0)
X+=e.value;
else if(e.number==1)
Y+=e.value;
break;
default:
break;
}
pointersetrawX(X);
pointersetrawY(Y);
pointersetB(B);
return 0;
}
void jsregister(struct driver *drv)
{
drv->init=jsinit;
drv->poll=jspoll;
drv->getfd=jsgetfd;
}
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